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-   -   Turbo NC 419 Hp 430lb/ft (https://www.miataturbo.net/prefabbed-turbo-kits-3/turbo-nc-419-hp-430lb-ft-74839/)

blackone 09-08-2013 01:04 AM

Turbo NC 419 Hp 430lb/ft
 
2 Attachment(s)
I hope the time will soon come where we can have a Real NC Turbo thread in this forum for those who like to be well informed.

This has been an excellent place to learn from those who have done it.

Just wanted to share a full car build we did for a customers car who shipped it to us all the way from California to us in Florida.
We replaced the engine with one of our own, added a custom T3 turbo. Fatcat suspension and we of course tune the thing.

Hp is limited by the turbine housing, but it was a compromise, this turbo spools at 1500 RPM, I most admit it came out very nice.

https://www.miataturbo.net/attachmen...ine=1378616688



here is a link to the other place

dynodone2_zpsd4870ade.jpg Photo by Javier_Jay_Pabon | Photobucket

18psi 09-08-2013 01:10 AM

nice

why is the rpm scale cut off?

Full_Tilt_Boogie 09-08-2013 01:25 AM

2 Attachment(s)
You want a serious thread, we want full disclosure.

https://www.miataturbo.net/attachmen...1&d=1378617899

Id like to see the turbo setup. Did you guys build the manifold/DP?

18psi 09-08-2013 02:03 AM

lol and so the fun begins.

it spools at 1500 rpm huh? sure don't look like it

thenuge26 09-08-2013 03:17 AM

1 Attachment(s)
https://www.miataturbo.net/attachmen...ine=1378624652

triple88a 09-08-2013 04:17 AM

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I dont care about the build thread, I just want to know how did you get ur shit to stick to the ceiling?

https://www.miataturbo.net/attachmen...ine=1378628238

wittyworks 09-08-2013 10:22 PM

It's running a 3071, so I expect the rpm scale to be way better than that, especially on the 2.0 liter engine. Looking forward to trying to get a ride in this thing, it's in the Bay Area.

Full_Tilt_Boogie 09-08-2013 11:04 PM

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Originally Posted by wittyworks (Post 1051493)
It's running a 3071, so I expect the rpm scale to be way better than that, especially on the 2.0 liter engine. Looking forward to trying to get a ride in this thing, it's in the Bay Area.

HP/TQ crossover happens at 5252 RPM, which falls directly in the middle of the 2 grid lines. This is a good indicator that the grid is in 500 rpm increments. It also would make sense that they would be reving it to roughly 7500 rpm.
I dont know for sure, but Id say it is a well thought out guess. The only way Id be wrong is if they were using some weird scaling where the grid lines dont correspond to nice even increments. This would also mean that they were reving the engine much higher than I would expect (like 9k+ rpm).
It is pretty reasonable to assume that the scaling is correct, with their solid line sitting at 5500 rpm.

As for it not spooling as well as you would expect, part of that can certainly be contributed to starting the pull at 3500 rpm. Starting at a lower rpm would probably show gains below 5000 rpm.

EDIT:
Another nail in the coffin for the rpm scaling.
Here is a dyno from their shop:
https://www.miataturbo.net/attachmen...ine=1378696803

Notice the RPM scaling used, and notice their habit of starting dyno pulls at stupid high RPM just as I suspected.


Amateur hour is over STP. This is fucking MiataTurbo.net, we're not like honda kids and domestic fags who dont know shit about tuning. If you want to impress us we want objective, accurate and precise, scientific data.

wittyworks 09-08-2013 11:43 PM

:) I love mt


Originally Posted by Full_Tilt_Boogie (Post 1051502)
HP/TQ crossover happens at 5252 RPM, which falls directly in the middle of the 2 grid lines. This is a good indicator that the grid is in 500 rpm increments. It also would make sense that they would be reving it to roughly 7500 rpm.
I dont know for sure, but Id say it is a well thought out guess. The only way Id be wrong is if they were using some weird scaling where the grid lines dont correspond to nice even increments. This would also mean that they were reving the engine much higher than I would expect (like 9k+ rpm).
It is pretty reasonable to assume that the scaling is correct, with their solid line sitting at 5500 rpm.

As for it not spooling as well as you would expect, part of that can certainly be contributed to starting the pull at 3500 rpm. Starting at a lower rpm would probably show gains below 5000 rpm.

EDIT:
Another nail in the coffin for the rpm scaling.
Here is a dyno from their shop:


Notice the RPM scaling used, and notice their habit of starting dyno pulls at stupid high RPM just as I suspected.


Amateur hour is over STP. This is fucking MiataTurbo.net, we're not like honda kids and domestic fags who dont know shit about tuning. If you want to impress us we want objective, accurate and precise, scientific data.


triple88a 09-08-2013 11:48 PM

lol thats the shittiest graph ever. Almost as bad as the dyno guy i went to putting the horizontal rpm graph against the vertical rpm graph.

Half the graph is logo, the bottom half is run names. then the dyno graphs are devided into half of that. Uck. At least mine was vertical.

Braineack 09-09-2013 07:38 AM

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why did you photoshop this?

https://www.miataturbo.net/attachmen...ine=1378726706

cyotani 09-09-2013 10:42 AM

do you need photoshop for cropping?

why did you MS paint edit this?

EDIT: NVM I sees the line bellow the x axis now

Braineack 09-09-2013 10:57 AM

yeah, the X-axis was intentially edited out.

18psi 09-09-2013 10:59 AM

TDR is gonna have a bad time on MT if they think they can feed us this n00b garbage and expect to be praised mindlessly by braindead lemmings like they do on M.net :laugh:

concealer404 09-09-2013 11:04 AM

Just to be clear, this is the OTHER TDR, right?

18psi 09-09-2013 11:05 AM

yes, Tuning Done Retarded

concealer404 09-09-2013 11:07 AM

Oh that's right... the abortion manifold guy. The dude that dicks around with tuning stock ECUs and shit? The guy that decided that quality turbo-to-manifold hardware was too expensive so he spot welds the turbo to the manifold?

Braineack 09-09-2013 11:23 AM


Hp is limited by the turbine housing, but it was a compromise, this turbo spools at 1500 RPM, I most admit it came out very nice.
What a bunch of crap.

that dyno suggests his power was limited by tuning-done-wrong, not the turbine. and :rofl: at the 1500RPM spool remark...sure it might make .01psi at 1500RPM, but it has a boost threshold of 5000RPM; stop trying to kid yourself, or us.

18psi 09-09-2013 11:36 AM

I think he accidentally confused MT with M.net and is now finding out that MS Paint is not the way to glory around here.

I really think he should take Dyno Plot lessons from Nitrodann

pdexta 09-09-2013 11:56 AM

I'm just impressed by them building a custom turbo.


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